高一英语人教版必修4Unit2workingthelandusiinglanguageVIP专享VIP免费

1.1.出国旅行时很激动人心的。出国旅行时很激动人心的。2.2.在这儿等也没用，咱们走回去吧。在这儿等也没用，咱们走回去吧。3.3.我记得在哪儿见过他。我记得在哪儿见过他。Travellingabroadcanbeveryexciting.Travellingabroadcanbeveryexciting.It’snousewaitinghere,let’swalkback.It’snousewaitinghere,let’swalkback.Irememberseeinghersomewhere.Irememberseeinghersomewhere.5.5.即使最聪明的孩子，也需要指教。即使最聪明的孩子，也需要指教。4.4.我后悔没听你的劝告。我后悔没听你的劝告。Iregretnotfollowingyouradvice.Iregretnotfollowingyouradvice.Eventhecleverestchildneedsteaching.Eventhecleverestchildneedsteaching.Whatdofarmersusuallyputonthesoiltomakecropsgrowfast?Itisfertilizer.Howmanykindsoffertilizersdofarmersuse?Therearetwokinds.Theyarechemicalfertilizersandnaturalfertilizers.Whichkinddofarmersusewhentheyaredoingorganicfarming?Doyouknowaboutorganicfarming?ORGANICFARMINGOrganicfarmingissimplyfarmingwithoutusinganychemicals.I.ReadthepassageUnderlinethetopicsentenceofeachparagraph.HowmanywaysfarmersusetohelpcropsgrowarementionedinthepassageLong-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.Farmersandcustomersturntoorganicfarming.Othermethodstokeepthesoilfertile.Problemscausedbychemicalfertilizers.P1.P2.P3.P4.ChemicalfertilizersChemicalfertilizersusenaturalwastefromanimalsasfertilizerschangethekindofcropineachfieldeveryfewyearsplantdifferentcropswithdifferentlengthsofrootsplantgrassbetweencropsandthenleaveitinthegroundorganicfarmingorganicfarmingchemicalfertilizerschemicalfertilizersadvantageadvantagedisadvantagedisadvantageagreatwaytostopcropdiseaseandincreaagreatwaytostopcropdiseaseandincreaseproductionseproductionlongternuseofthesefertilizerscancausedlongternuseofthesefertilizerscancausedamageto…amageto…problemsproblemsdamage__________by________________damage__________by___________________________________________________.___________________________________.chemicalsstayin_________________chemicalsstayin_________________affect_____________________________affect_____________________________leadto____________________________leadto____________________________thelandthelandkillingthehelpfulkillingthehelpfulbacteriaandpestsandtheharmfulones.bacteriaandpestsandtheharmfulones.thegroundandundergrthegroundandundergroundwateroundwatercropsandanimalsandhumanscropsandanimalsandhumansThechemicals_________________________Thechemicals_________________________builduoinpeople’sbodiesbuilduoinpeople’sbodiescancerorotherillessescancerorotherillessesfruit,vegetablesandotherfoodfruit,vegetablesandotherfoodGrowtoofasttobefullofmuchnutritionGrowtoofasttobefullofmuchnutritionorganicfarmingWhatisorganicfarming?MethodsoforganicfarmingAdvantagesofmethodsFarmersusenaturalwastefromanimals.Thismakesthesoilricherinmineralsandsomorefertile.Thisalsokeepstheair,soil,waterandcropsfreefromchemials.withoutusinganychemicals.withoutusinganychemicals.MethodsoforganicfarmingAdvantagesofmethods2Farmersoftenchangethekindofcropineachfieldeveryfewyears.putimportantmineralsbackintothesoil,makingitreadyforothercropsthatneedrichandfertilesoilMethodsoforganicfarmingAdvantagesofmethods3Farmersplantcropswithdifferentlengthsofroots.4Farmerssometimesplantgrassbetweencropsandleaveitintheground.3Thisusesdifferentlevelsofsoil.4Thispreventswindorwaterfromcarryingawaysoilandactsasanaturalfertilizerforthenextyear’scrop.给...